In plane switching liquid crystal display

Details In plane switching liquid crystal display In plane switching liquid crystal display

2005-09-12

2008-08-19

Dudek, James A (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S141000

Reexamination Certificate

active

07414686

ABSTRACT:
An IPS liquid crystal display (200) includes a first substrate (21) and a second substrate (22) opposite to each other, and a twisted nematic liquid crystal layer (25) sandwiched between the first and second substrates. A first polarizer (23) is disposed at an outer surface of the first substrate, and a second polarizer (24) is disposed at an outer surface of the second substrate. Polarizing axes of the first and second polarizers are parallel to each other. A plurality of pixel electrodes (27) and common electrodes (26) are disposed at the second substrate. A first alignment film (213) is disposed at an inner surface of the first substrate, and a second alignment film (224) is disposed at an inner surface of the second substrate. The first alignment film maintains a rubbing angle of approximately 90° relative to the second alignment film.

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patent: 0806698 (1997-11-01), None
patent: H07-333598 (1995-12-01), None

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